1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆☆ KINDERGARTEN Noun 幼稚园幼儿园 trường mẫu giáo
☆ NURSERY Noun 幼儿园 nhà trẻ
☆ PRE-SCHOOLER; TODDLER Noun 幼儿幼儿 trẻ nhỏ